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TFT-LCD TV GSA32SEN Chassis GSD37SEN GSD40SEN LE32S67BDX Model LE37S67BDX LE40S67BDX SERVICE Manual TFT-LCD TV Fashion Feature - Luxurious Slim Design - Supreme Picture Quality - Supreme Sound Quality - Supreme Convenience Quality - Convenience for Users - DVB-T, iDTV Free Datasheet http://www.Datasheet4U.com...
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Copyright Trademarks ⓒ 2007 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. LE32S67BD/LE40S67BD/LE46S67BD and Macmaster This manual may not, in whole or in part, be copied, Cable Adapter are trademarks of Samsung Electronics photocopied, reproduced, translated, or converted to any Co., Ltd.
4-1 First Checklist for Troubleshooting ………………………………………………………………………………………………………4-1 4-2 Checkpoints by Error Mode ……………………………………………………………………………………………………………… 4-2 . Exploded View and Parts List …………………………………………………………………………………………………………………5 5-1 LE32S67BDX Exploded View …………………………………………………………………………………………………………… 5-1 5-2 LE32S67BDX Parts list …………………………………………………………………………………………………………………… 5-2 5-3 LE37S67BDX Exploded View …………………………………………………………………………………………………………… 5-3 5-4 LE37S67BDX Parts list …………………………………………………………………………………………………………………… 5-4 5-5 LE40S67BDX Exploded View ……………………………………………………………………………………………………………...
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Contents . Wiring Diagram …………………………………………………………………………………………………………………………………8 8-1 Wiring Diagram …………………………………………………………………………………………………………………………… 8-1 8-2 Main Board Layout ……………………………………………………………………………………………………………………… 8-2 8-3 PIN characteristic ………………………………………………………………………………………………………………………… 8-5 8-4 Power Board Layout ……………………………………………………………………………………………………………………… 8-6 . Schematic Diagrams ……………………………………………………………………………………………………………………………9 10. O O perating Instructions and Installation………………………………………………………………………………………………………1 1 0-1 10-1 Front ……………………………………………………………………………………………………………………………………...
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14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms - TFT-LCD - Auto Configuration(Auto adjustment) (Thin film Transistor Liquid Crystal Display) This is an algorithm to adjust monitor to optimum ADC(Analog to Digital Converter) condition by pushing one key. This is a circuit that converts from analog signal to digital signals.
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14 Reference Infomation - DDC(Display data channel) - Interlace and Non-Interlace Methods It is a communication method between Host Showing the horizontal lines of the screen from Computer and related equipment. the top to the bottom in order is called the Non- It can make it Plug and Play between PC and Interlace method while showing odd lines and Monitor.
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Enables high picture quality and clear sound channel to obtain the best viewing conditions. throughout the country regardless of the location The Samsung LCD TV has both automatic and of the viewer. manual channel fine-tuning features to enable the viewer to adjust their desired settings.
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14 Reference Infomation 14-2-2 Component 14-2-3 S-Video Separate RCA Green Pb (Cb) RCA Blue Pr (Cr) RCA Red Audio L 14-2-5 D-SUB RCA White Separate Audio R RCA Red Green Blue 14-2-4 A/V GND Red GND Green GND Blue RCA Yellow CVBS DDC Input power(+5V) Audio L...
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14 Reference Infomation 14-2-7 Scart 1 Signal Signal Audio output R Audio input R Video GND (RGB red) Audio output L Audio common GND RGB red input Video GND (RGB blue) Fast Blanking signal (RGB switching) Audio input L Video output GND RGB blue input Video input GND Switching voltage...
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14 Reference Infomation 14-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. 14-3-1 LCD Panel Mode1 mode 14-7 Free Datasheet http://www.Datasheet4U.com...
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14 Reference Infomation Maker VENDOR P/N PANEL_CODE PANEL_ABB STICKER_CODE Remarks LTA170V1 BN07-00139A 17" Panel for Muse 4:3 VGA TV LTM190E1-L02 BN07-00128A New Panel from AMLCDl, Specification : 6bit Driver IC LTM170EX-L01 BN07-00143A Development new Panel from AMLCD LTM170E8-L01 BN07-00144A Development new Panel from AMLCD LTM170E6-L04 BN07-00129B ZPD panel for AMLCD (Panel only for TCO03)
3 Alignments and Adjustments 3 Alignments and Adjustments 3-1 Service Instruction 1. Usually, a color TV-VCR needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync. 2. Use the specified test equipment or its equivalent. 3.
3 Alignments and Adjustments 3-2 How to Access Service Mode 3-2-1 Entering Factory Mode 1. To enter "Service Mode" Press the remote -control keys in this sequence : - If you do not have Factory remote - control Power OFF INFO Power ON MENU...
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3 Alignments and Adjustments 3. White Balance RF/AV Item Range Sub Bright 00H~FFH Red offset 00H~FFH Green offset 00H~FFH Blub offset 00H~FFH Sub Contrast 00H~FFH Red Gain 00H~FFH Green Gain 00H~FFH Blue Gain 00H~FFH 4. W/B Movie Item RF/AV/S_video W/B MOVIE On/Off Service P Mode Movie Service Color Tone...
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3 Alignments and Adjustments 5. MTK8202 5. MTK8202 1) Cal. Adjustment 1) Cal. Adjustment Item Range R_Offset G_Offset B_Offset R_Gain G_Gain B_Gain Y_Offset Cb_Offset Cr_Offset Y_Gain Cb_Gain Cr_Gain CVBS Offset CVBS Gain CVBS U CVBS V R Offset After G Offset After B Offset After Red Gain Green Gain...
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3 Alignments and Adjustments 2) Cal. Target Item Range AV_Offset Target AV_Offset Delta AV_Gain Target AV_Gain Delta Comp_Y_Gain Target Comp_Y_Gain Delta Comp_Y_Offset Target Comp_Pb_Offset Target Comp_Pr_Offset Target Comp_Y_Offset Delta Comp_Pb_Offset Delta Comp_Pr_Offset Delta PC_Offset_Target PC_Offset_Delta PC_Gain_Target PC_Gain_Delta Black Target White Target 3) Scart RGB Item ALL Mode...
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3 Alignments and Adjustments 5) Picture enhance2 Item Range PreLGain_Main PreMGain_Main PreHGain_Main PreLGain_Sub PreMGain_Sub PreHGain_Sub LocalLGain LocalMGain LocalHGain PostLGain PostMGain PostHGain Vgain Sub Color 6. FBE2 option Item Range Patt-Sel B-Slope gain B-Tilt min B-Tilt max Lfunc-Basis Hfunc-Basis Mean-Offset1 Mean-Offset2 Mean-Slope Input-Offset ACR-Offset...
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3 Alignments and Adjustments 7. SOUND Item Range AM_Mute Th_High AM_Mute Th_Low FM_Mute Th_High FM_Mute Th_Low Correct Threshold Sync Loop Error Threshold Parity Error Thrd Every Num Frames Num of Check Num of Double Chk Mono Weight Stereo Weight Dual Weight M2S Threshold S2M Threshold NICAM FINE VOL...
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3 Alignments and Adjustments 8. YC Delay Item TV/AV/S_Video RF PAL-B/G RF PAL-D/K RF PAL- I RF PAL- L/L' RF SECAM-B/G RF SECAM-D/K RF SECAM-I RF SECAM-L/L' RF NTSC3.58 RF NTSC4.43 AV PAL AV SECAM AV NTSC3.58 AV NTSC4.43 AV PAL60 9.
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3 Alignments and Adjustments 2) LNA PLUS Item Range LNA PLUS RF_dB0_TH RF_dB1_TH RF_dB2_TH RF_dB3_TH NR1_Coring NR2_Coring NR3_Coring NR4_Coring 3) Hotel Option Item Range Power On Channel Power On Band Power On Volume Max Volume Local Key Lock Power On Source 4) HDMI Hot Plug : ON Clock Control : ON...
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3 Alignments and Adjustments 12. Dynamic Contrast Item Range Dynamic CE Dynamic Dimming FBE2 Y_MEAN Read 13. Spread Spectrum Resolution Range Spread Spectrum Step 480i/576i Range 480i/576i Step 480p/576p Range 480p/576p Step 720p Range 720p Step 1080i Range 1080i Step 640*480 Range 640*480 Step 800*600 Range 800*600...
3 Alignments and Adjustments 3-4 Service Adjustment 3-4-1 White Balance - Calibration If picture color is wrong, do calibration first. Equipment : CA210, Patten : chess pattern Execute calibration in Factory Mode Source AV : PAL composite, Component : 1280*720/60Hz PC : 1024*768/60Hz ( chess patten ) 3-4-2 White Balance - Adjustment...
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3 Alignments and Adjustments 3-4-3 Conditions for Measurement 1. On the basis of toshiba ABL pattern : High Light level (57 IRE) - INPUT SIGNAL GENERATOR : MSPG-925LTH * Mode 2 : 744X484@60 Hz 6 : 1280X720@60 Hz NO 21 : 1024X768@60 Hz * Pattern NO 36 : 16 Color Pattern NO 16 : Toshiba ABL Pattern 2.
3 Alignments and Adjustments 3-5 Software Upgrade 3-5-1 How to Update Flash ROM 1. Installthe Flash Downloader ConnectSet(Service Jack)and Jig Cable to execute Program Update. 2. Flash Downloader program update -Before Turning on the set,Click "connect"which is under of OSD Screen! -Turn on the Set.
1) Turn off LCD-TV. 2) Connect the RS-232 cable to the LCD-TV 3) Execute the sv2_fr.exe file. 4) Assign the path of samsung.tvz file (application image) 5) Execute the progress follow the screen until step 2. 6) Turn On the LCD-TV.
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7 Block Diagrams 7 Block Diagram - This Document can not be used without Samsung’s authorization 7-1 Main Block Diagram Free Datasheet http://www.Datasheet4U.com...
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13 Circuit Descriptions 13 Circuit Descriptions 13-1 Block description Signal Power IP Board RF IN Scart 1,2 S-Video Main Board Panel Component T-con Board HDMI 1, 2 Speaker IR/LED Bordeaux consists of three main blocks 1. Main board : Video signal processing 2.
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13 Circuit Descriptions Signal Power SMPS INVERTER RF IN Scart 1,2 S-Video Main Board Panel Component T-con Board HDMI 1, 2 Speaker IR/LED Bordeaux consists of three main blocks 1. Main board : Video signal processing 2. SMPS : Power supply 3.
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13 Circuit Descriptions 13-3 SMPS Board 13-3-1 32" Power Block Inverter Line Resonance SMPS Filter Switching Resonance Switching Output Rectifier Rectifier Part Part Transformer Part Rectifier Part Signal DC/DC 5.3V MC33167 Resonance AC Input Controller (90Vac~264Vac) Controler Signal MC33067 FAN7530 Sound Regulator On/Off...
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13 Circuit Descriptions Output Voltage Output Current Output Usage Remark Load Characteristics PCB Loc. Name Normal Regulation(%) Variable Range Min Typical Peak 23.52V ± 24.5V 0.1V 3.0V 4.0V Pulsating Main B'D Drive ~25.48V Drive, Logic, 5.13V ± 5.3V Main B'D 5.3V 0.1V 3.0V...
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13 Circuit Descriptions 13-3-5 37" Power Block Inverter Line Resonance SMPS Switching Filter Resonance Switching Rectifier Output Rectifier Part Part Transformer Part Rectifier Part DC/DC Signal MC33167 5.3V Resonance AC Input Controller (90Vac~264Vac) Controler DC/DC Signal F9222L TDA4863 LM2576 Sound Regulator On/Off KA278R12...
4 Troubleshooting 4 Troubleshooting 4-1 First Checklist for Troubleshooting 1. Check the various cable connections first. - Check to see if there is a burnt or damaged cable. - Check to see if there is a disconnected cable connection or a connection is too loose. - Check to see if the cables are connected according to the connection diagram.
4 Troubleshooting 4-2 Checkpoints by Error Mode 4-2-1 No Power LAMP off, power indicator Check a connection a power cable. LED red color? Does proper DC 12V Change a Assy PCB Power. appear at CM801? Does proper DC A3.3V, Check a IC1008, Q1013. A5V appear at Change a main PCB ass'y.
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Change a main PCB ass'y. IC4001? Does the digital data appear Check a IC4001 at the output of Change a main PCB ass'y. LVDS (R41043~4113)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace a lcd panel? Free Datasheet http://www.Datasheet4U.com...
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4 Troubleshooting WAVEFORMS R,G,B Output Signal of IC500 Free Datasheet http://www.Datasheet4U.com...
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R2106~R2113? Change a main PCB ass'y. Does the digital data Check a IC500 appear at output of IC4001 Change a main PCB ass'y. LVDS(R4104~4113)? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel? Free Datasheet http://www.Datasheet4U.com...
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4 Troubleshooting Digital Output Data of IC500 Signal of HDMI(Data) Free Datasheet http://www.Datasheet4U.com...
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Change a main PCB ass'y. #8 of IC4001? Does the digital data appear at Check a IC4001. output of R4104~R4113? Change a main PCB ass'y. Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel? Free Datasheet http://www.Datasheet4U.com...
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4 Troubleshooting WAVEFORMS CVBS Output Signal Tuner_CVBS Output Signal Free Datasheet http://www.Datasheet4U.com...
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Check a connection harness. #10 of IC4001? Does the signal appear at Check a IC4001. Out of IC4001 R4104~R4113? Change a main PCB ass'y Check a LVDS cable? Please, Call to Samsung Co. LTD. Replace lcd panel? Free Datasheet http://www.Datasheet4U.com...
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Check a connection harness. #21, #31 of IC4001? Does the digital data appear at Check a IC4001. Output of IC4001, Change a main PCB ass'y. R4104~R4113? Check a LVDS cable? Please, Call to Samsung Co. LTD. Replacea lcd panel? 4-11 Free Datasheet http://www.Datasheet4U.com...
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4 Troubleshooting WAVEFORMS Digital Output Data of IC500 Analog Signal(Y,C) to IC500 4-12 Free Datasheet http://www.Datasheet4U.com...
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4 Troubleshooting 4-2-7 No Sound Connect a sound cable. Picture is display, no sound. control a volume. Does the signal appear at Check a connection harness and Pin #60, #61, #62, #63(I2S_CLK, headphone jack./Side AV I2S_SCLK, Check Sound Processor I2S_LRCLK, I2S_DATA) IC1009(STV8257) of IC1009 ? Check the DC 12V...
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4 Troubleshooting WAVEFORMS The Signal are Inputed to IC603 DC +12V 4-14 Free Datasheet http://www.Datasheet4U.com...
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8 Wiring Diagrams 8-2 Main Board Layout CI CARD SLOT MT8202 BLOCK TUNER MT8293 BLOCK CONTROL SPEAKER JACK...
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8 Wiring Diagrams 8-3 PIN characteristic CN101- Main Board power supply NAME SIGNAL B12V B12V NAME B12V B12V B12V CN8001-SPEAKER CONNECTOR NAME SOUND_L-_OUT SOUND_L+_OUT SOUND_R-_OUT SOUND_R+_OUT...
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8 Wiring Diagrams CN102-Front control NAME LED_RED BUZZER NAME KEY_INPUT1 KEY_INPUT2 Function Define - A5V Front control board poewr supply - KEY INPUT1,2 Key control, from the memu, change up/down Etc. - IR Remote control signal - LED_RED Control the timing and stand by LED color CN501-panel control NAME SW_inverter...
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8 Wiring Diagrams CN1001-LVDS Signal NAME TXOUT0- TXOUT0+ TXOUT1- TXOUT1+ TXOUT2- TXOUT2+ NAME TXCLKOUT- TXCLKOUT+ TXOUT3- TXOUT3+ TXOUT4- TXOUT4+ NAME TXOUT5- TXOUT5+ WP_PANEL NAME LVDS_FORMAL DDC_CTRL NAME VCC_PANEL VCC_PANEL VCC_PANEL...
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8 Wiring Diagrams 8-4 Power Board Layout...
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8 Wiring Diagrams CN801 - AC Input NAME Live Netural VOLTAGE Functing Define - Refer to : AC Input CN801 - Main Board power supply NAME 5.4V 5.4V 5.4V ST7V Functing Define - ST7V Stand-By Output - PWR Power On/Off Control - Refer to : CN801 function define CNM804 - Panel control NAME...
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8 Wiring Diagrams CN802 - Inverter power supply NAME Functing Define - AMLCD Panel Inverter Power - 24V LAMP INVERTER Voltage - B/L Brightness sensor power - A_D ANA_DIMMING - P_D PWM_DIMMING CN803 - Inverter power supply NAME Functing Define - AUO Panel Inverter Power - 24V...
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11 Disassembly and Reassembly 11 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the TFT-LCD TV. WARNING : This monitor contains electrostatically sensitive devices. Use caution when handling these components. 11-1 Disassembly Cautions : 1.
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11 Disassembly and Reassembly Description Picture Description 2. Remove 3 screws from the stand. 3. Disonnect cable from the boards. Remove 13 screws from the boards. 11-2 Free Datasheet http://www.Datasheet4U.com...
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11 Disassembly and Reassembly Description Picture Description 4. Lift up the boards. Remove 7 screws from the stand BRKT. 5. Lift up the stand BRKT. Remove screws from the Lcd panel. 11-3 Free Datasheet http://www.Datasheet4U.com...
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11 Disassembly and Reassembly Description Picture Description 6. Lift up the Lcd panel. Remove 5 screws from the BRKT. 7. Lift up the BRKT. 11-4 Free Datasheet http://www.Datasheet4U.com...
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11 Disassembly and Reassembly 11-2 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. 11-5 Free Datasheet http://www.Datasheet4U.com...
6 Electrical Parts List 6 Electrical Parts List You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 6-1 LE32S67BDX Parts List Level Loc. No. Code No. Description & Specification Q'ty SA/SNA LE32S67BDX/XEH LE32S67BD,N33A/32S60-GSA,32,LCD-TV,HUNGA M0001 BN90-00858V ASSY COVER FRONT;32S73,EO,ABS+PMMA,HB,BK...
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5 Exploded View & Parts List 5 Exploded View and Parts List - You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 5-1 LE32S67BDX Exploded View M0014 T0159 T0447 M0215 M0013 T0076 T0003 T0175 M0027...
10 Operating Instructions and Installation 10 Operating Instructions and Installation 10-1 Front - The product colour and shape may vary depending on the model. 1. SOURCE C/P. Toggles between all the available input sources Press to change channels. (TV, Ext.1, Ext.2, AV, S-Video, Component, PC, In the on-screen menu, use the C/P.
10 Operating Instructions and Installation 10-2 Connection Panel Power Input - Whenever you connect an external device to your TV, make sure that power on the unit is turned off. - When connecting an external device, match the colour of the connection terminal to the cable. Connecting Set-Top Box, VCR or DVD Connector Output...
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10 Operating Instructions and Installation HDMI IN 1, HDMI IN 2 - Supports connections between HDMI-connection-enabled AV devices (Set-Top Boxes, DVD players). - No additional Audio connection is needed for an HDMI to HDMI connection. ▶ What is HDMI? - "High Definition Multimedia interface" allows the transmission of high definition digital video data and multiple channels of digital audio ( 5.1 channels).
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10 Operating Instructions and Installation 11. Connecting Component Devices (DTV/DVD) - Connect component video cables (optional) to component connector ("P ", "P ", "Y") on the rear of your set and the other ends to corresponding component video out connectors on the DTV or DVD. - If you wish to connect both the Set-Top Box and DTV (or DVD), you should connect the Set-Top Box to the DTV (or DVD) and connect the DTV (or DVD) to component connector ("P ", "P...
10 Operating Instructions and Installation 10-3 Remote Control 1. Selects a target device to be controlled by the Samsung remote control (TV, DVD, STB, CABLE, VCR) 2. Television Standby button 3. Number buttons for direct channel access 4. One/Two-digit channel selection 5.
For detailed information on installing the wall mount, see the instructions provided with the Wall Mount items. Contact a technician for assistance when installing the wall mounted bracket. Samsung Electronics is not responsible for any damage to the product or injury to yourself or others if you elect to install the TV on your own.
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1 Precautions 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the circuit board. Disconnect the AC power and DC Power Jack before servicing.
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1 Precautions 1-2 Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.
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1 Precautions 1-4 Installation Precautions 1. For safety reasons, more than two people are 6. Keep the antenna far away from any high-voltage required for carrying the product. cables and install it firmly. Contact with the high- voltage cable or the antenna falling over may 2.
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2 Product Specifications 2 Product specifications 2-1 Fashion Feature Supreme Digital Interface & Networking -With a built-in HD digital tuner, it supports HD broadcasting with no particular set-top box and provides simple access with a single remote control. Excellent Picture Quality -DNIe technology provides life-like clear images.